CN102167022B - Integrated basic brake device for rail wagons - Google Patents

Integrated basic brake device for rail wagons Download PDF

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Publication number
CN102167022B
CN102167022B CN 201110057140 CN201110057140A CN102167022B CN 102167022 B CN102167022 B CN 102167022B CN 201110057140 CN201110057140 CN 201110057140 CN 201110057140 A CN201110057140 A CN 201110057140A CN 102167022 B CN102167022 B CN 102167022B
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CN
China
Prior art keywords
brake
cylinder
integrated basic
rail wagons
pipe link
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CN 201110057140
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Chinese (zh)
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CN102167022A (en
Inventor
王翊
温铁宏
周戈文
刘涵
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Locomotive and Car Research Institute of CARS
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Locomotive and Car Research Institute of CARS
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Priority to CN 201110057140 priority Critical patent/CN102167022B/en
Publication of CN102167022A publication Critical patent/CN102167022A/en
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Abstract

The invention provides an integrated basic brake device for rail wagons, and the integrated basic brake device comprises a brake cylinder, a brake adjustor, a movable lever, a fixed lever and a brake beam connecting rod, wherein the brake adjustor is connected with the brake cylinder; the movable lever and the fixed lever are respectively connected with the free ends of the brake adjustor and thebrake cylinder; and the brake beam connecting rod is connected between the movable level and the fixed lever. The integrated basic brake device for the rail wagons in the invention is arranged on a wagon bogie, so that the mass of components such as the brake cylinder, the brake adjustor and the like is turned to be unsprung mass; simultaneously, the layout and connection of wagon pipelines are simplified; the lower space of the wagon is saved effectively, so that the wagon has the possibility of increasing the capacity and load by using the lower space; and in addition, the force of the integrated basic brake device for the rail wagons provided by the invention is even, which is favorable for reducing forcing difference of each brake block, so that the abrasion of the brake block and wheels is even, and the maintenance cost is lowered.

Description

Integrated basic brake device for rail wagons
Technical field
The present invention relates to a kind of brake equipment, especially a kind of integrated form foundation brake rigging that is applicable to the shipping rail traffic vehicles.
Background technology
World's railway freight Experience in Development shows, implementing heavy haul transport is the effective way that improves freight-transport capacity and efficient.Therefore further increase axle heavy, improve load-carrying and marshalling weight, the main task in one period from now on that the development heavy haul transport is still China railways.
External present comparatively ripe heavy-duty freight car brake equipment has TMB-60, the BMB-60 of knorr company and the TMX device of wabco company.The TMB-60 integrated brake device is to improve design on the basis of NYCOPAC IIA type, its brake cylinder body is connected the drive plate of main brake beam both sides and is connected with push rod, drive plate is fixed on main brake beam two ends by rotating shaft, and is connected with secondary brake beam by push rod, plays the effect of amplifying lever.When car brakeing, the brake cylinder piston stretches out under the pressure air effect, promotes drive plate and rotates around fixed pin shaft, and braking force is passed to push rod, and the transverse force that brake cylinder provides becomes longitudinal force.Because the effect of push rod makes major and minor brake beam mobile in the opposite direction respectively, until brake shoe contacts with wheel tread.Therefore weight easily caused the brake shoe abrasion inhomogeneous obviously greater than secondary brake beam after the main brake beam of this structure was installed brake cylinder.The BMB-60 brake equipment is fixed on brake cylinder on the bolster, the versions such as the brake beam of bogie truck, amplification lever are with identical, brake cylinder push bar is hinged with amplifying lever, and its structural shape can not the Effective Raise brake rigging efficiency, still has the same shortcoming of traditional braking system.The TMX brake equipment adopts the manufacturing of durable lightweight material, comprises the two-way lock accent of compression device, the brake beam of frame-type and the solder type brake cylinder of Novel brake shoe holder and unidirectional action.Brake cylinder push bar is transferred device to pass separately respectively the bolster hole with lock and is connected with the amplification lever of both sides brake beam.Its mounting means adopts free-suspension system, do not need to carry out special the connection with bolster, can be applicable to various three-piece bogie lorries, and driving efficiency reaches 80%, but its manufacturing process is complicated, and extensively the composite brake beam of employing is also incompatible at present with China.
Therefore, be necessary to invent a kind of brake equipment that is applicable to China's Heavy-haul Freight rail traffic vehicles in fact, to overcome the defective of prior art.
Summary of the invention
The object of the present invention is to provide a kind of brake equipment that is applicable to China's Heavy-haul Freight rail traffic vehicles, this brake equipment is stressed evenly to be conducive to reduce each brake shoe force difference, makes brake shoe and wheel wear even, reduces maintenance cost.
To achieve these goals, integrated basic brake device for rail wagons of the present invention adopts following technical scheme:
A kind of integrated basic brake device for rail wagons, the lock that it comprises brake cylinder, be connected with described brake cylinder are transferred device, transfer active lever and the truck dead lever that the free end of device and brake cylinder is connected with described lock respectively and are connected to brake beam pipe link between described active lever and the truck dead lever.
As preferred implementation, described brake cylinder comprises cylinder body, be arranged on the cylinder cap of described cylinder body one side, be arranged on the piston in the described cylinder body and be arranged on restoring spring between described piston and the cylinder body.
As preferred implementation, described cylinder block and cylinder cover captive joint.
As preferred implementation, the end of described cylinder body is provided with pore.
As preferred implementation, be provided with a rubber cup for sealing between described piston and cylinder body, this rubber cup is arranged on piston one side and together moves with piston.
As preferred implementation, described lock transfer device comprise push rod, the ejector sleeve that is connected with described push rod,, be arranged on the interior leading screw of described ejector sleeve and connect described leading screw and piston that cylinder body is interior between power-transfer clutch.
As preferred implementation, the up and down two ends of described active lever articulate with brake beam pipe link and push rod respectively; The up and down two ends of described truck dead lever articulate with brake beam pipe link and cylinder body respectively.
As preferred implementation, described brake beam pipe link comprise head rod, the second pipe link and be arranged on described head rod and the second pipe link between the adjustment sleeve.
As preferred implementation, described head rod is opposite with the hand of spiral of the second pipe link.
As preferred implementation, the brake equipment of this aspect also comprises the hand brake lever of transferring device to be connected with described lock.
As preferred implementation, described lock accent device and described brake cylinder are one-body molded.
Integrated basic brake device for rail wagons of the present invention has following beneficial effect: at first, be installed on the bogie of car, make the brake cylinder lock transfer the quality of the parts such as device to change unsprung weight into, layout and the connection of vehicle pipeline have been simplified simultaneously, can effectively save the lower space of vehicle, vehicle be had utilize the possibility of lower space enlarging volume and load; In addition, integrated basic brake device for rail wagons of the present invention makes system stressed even, is conducive to reduce each brake shoe force difference, makes brake shoe and wheel wear even, reduces maintenance cost.The second, lock is transferred device and brake cylinder integrated design, is conducive to reduce the quantity of parts, improves the reliability of device, reduces simultaneously own wt, improves the vehicle capacity weight.It is bidirectional compression type that lock is transferred device, can automatically excessive or too small brake clearance be absorbed in the car brakeing process or compensate.The 3rd, use less guide to connect, be conducive to improve the driving efficiency of system, the consumption of save compressed air.
Description of drawings
Below, be described in more detail in connection with the preferred implementation of accompanying drawing to integrated basic brake device for rail wagons of the present invention, wherein:
Fig. 1 is the schematic diagram of integrated basic brake device for rail wagons of the present invention.
The component Name of each label representative is as follows in the accompanying drawing:
10 brake cylinders, 12 locks are transferred device 14 hand brake levers 16 active levers
18 truck dead levers, 19 brake beam pipe links, 100 cylinder bodies, 102 cylinder caps
122 push rods, 124 ejector sleeves, 190 head rods, 192 second pipe links
194 adjust sleeve
The specific embodiment
Need to prove, word 'fornt', 'back', " left side ", " right side ", "up" and "down" that use is described below refer to the direction in the accompanying drawing, word " interior " and " outward " refer to respectively towards or away from the direction of the present invention or its particular elements geometric centre.
See also Fig. 1, integrated basic brake device for rail wagons of the present invention comprises, brake cylinder 10, the lock that is connected with described brake cylinder 10 are transferred device 12, transfer active lever 16 and the truck dead lever 18 that the free end of device 12 and brake cylinder 10 is connected with described lock respectively and be connected to brake beam pipe link 19 between described active lever 16 and the truck dead lever 18.
Described brake cylinder 10 comprises cylinder body 100, be arranged on the cylinder cap 102 of described cylinder body 100 1 sides, be arranged on the piston in the described cylinder body 100 and be arranged on described piston and cylinder body 100 between restoring spring.Described cylinder body 100 is captiveed joint with cylinder cap 102, and there is the pore (not shown) cylinder body 100 ends and can be connected with brake piping by flange.During braking, pressurized air enters simultaneously compression recovery spring of the inner also pushing piston of brake cylinder motion by this pore.Preferably, 100 of described piston and cylinder bodies are provided with a rubber cup for sealing, and this rubber cup is attached to piston one side and together moves with piston; During alleviation, piston moves under the spring-force driven dual of restoring spring and resets.
Power-transfer clutch between the piston that described lock is transferred device 12 to comprise push rod 122, the ejector sleeve 124 that is connected with described push rod 122, is arranged on the interior leading screw of described ejector sleeve 124 and is connected to described leading screw and described cylinder body 100 is interior.Described lock transfers device 12 and brake cylinder 10 to be preferably the structure of integral type, and lock transfers the cylinder cap of device 12 bodies and brake cylinder 10 to be designed to one.Lock transfers device 12 in braking and alleviation process, but automatic bidirectional is adjusted brake clearance.Transfer device 12 when adjusting action when lock, the nut in its non-self-locking thread pair does not rotate, but leading screw rotates, thus drive nut and push rod extended or retracted, realize the adjustment to brake clearance.When braking under the brake clearance normal condition, leading screw transfers device 12 to keep locking with the lock that is fixed on the brake beam, and nut and leading screw keep relative static conditions, and lock is transferred device 12 not produce and adjusted action.When brake clearance is excessive, stop that by stop gear with piston thrust leading screw being removed locks, in effect lower push-rod 122 elongation of spring recuperability and leading screw is rotated counterclockwise, until brake shoe contacts rear leading screw with wheel tread and lock transfers device 12 again to lock, leading screw has absorbed excessive brake clearance when rotating.When brake clearance is too small, push rod 122 is stopped, piston continues mobile under air pressure, the piston thrust Compress Spring also makes leading screw remove locking, leading screw clockwise rotates under the effect of spring recuperability, until piston reaches the stroke of regulation and contacts with stop gear, leading screw and lock transfer device 12 again to lock, and leading screw has compensated the stroke of shortcoming when rotating.Because leading screw does not produce longitudinal travel in the said process, so this device has simple and compact for structurely when realizing the twocouese adjustment, and the advantage such as volume is little is convenient to install at bogie truck.
Described active lever 16 and truck dead lever 18 at both ends and the centre circular hole is respectively arranged, the up and down two ends of described active lever 16 articulate with brake beam pipe link 19 and push rod 122 respectively, preferably connect with bearing pin; The up and down two ends of described truck dead lever 18 articulate with brake beam pipe link 19 and cylinder body 100 respectively, preferably connect with bearing pin.Brake cylinder promotes lock and transfers the device elongation during braking, fix owing to brake beam pipe link 19 length this moment, described active lever 16 is connected separately to rotate as fulcrum with the bearing pin that is connected of brake beam pipe link 19 with truck dead lever, under the support of brake beam pipe link 19, drive two brake beams separately to wheel one Slideslip, and according to the lever length ratio braking force is amplified.Described truck dead lever 18 mount pads and active lever 16 mount pad differences are in the rotation that has limited truck dead lever, and its fulcrum only is conveniently assemble and disassemble except the effect of the power of transmission.
Described brake beam pipe link 19 comprises head rod 190, the second pipe link 192 and adjustment sleeve 194, and head rod 190 is connected with the second pipe link 192 by adjusting sleeve 194, and described brake beam pipe link 19 integral body become U-shaped after connecting.Described head rod 190 and the second pipe link 192 are connected with truck dead lever with described active lever 16 respectively and are connected with bearing pin, head rod 190 is opposite with the hand of spiral of the second pipe link 192, rotates and adjusts the stroke that sleeve 194 can make the change of pipe link length and adjustment lever positions and lock accent device.After adjustment will be adjusted sleeve locking with nut for subsequent use afterwards, the length of described brake beam pipe link 19 no longer changes, making active lever 16 rotate and drive two brake beams by mount pad take described brake beam pipe link 19 as fulcrum during braking slides round about, when the brake beam stroke exceeds the maximum setting range of lock accent device, rotate the adjustment sleeve and make the elongation of brake beam pipe link 19 length, then the brake beam stroke returns back within the lock accent device setting range again.
It will be understood by those skilled in the art that preferably, integrated basic brake device for rail wagons of the present invention also comprises the hand brake lever 14 of transferring device 12 to be connected with described lock, in order to realize the operation of hand brake under emergency case.
Above-described embodiment is only for explanation the present invention's, and be not to be limitation of the present invention, the those of ordinary skill in relevant technologies field, without departing from the present invention, can also make a variety of changes and modification, therefore, all technical schemes that are equal to also should belong to category disclosed by the invention.

Claims (9)

1. integrated basic brake device for rail wagons, it is characterized in that: this brake equipment comprises brake cylinder, transfers device, transfers active lever and the truck dead lever that the free end of device and brake cylinder is connected with described lock respectively and be connected to brake beam pipe link between described active lever and the truck dead lever with described brake cylinder all-in-one-piece lock
Wherein, described lock transfers the body of device and the cylinder cap of described brake cylinder to be designed to one,
Wherein, the power-transfer clutch between the piston that described lock is transferred device to comprise push rod, the ejector sleeve that is connected with described push rod, is arranged on the leading screw in the described ejector sleeve and connected described leading screw and cylinder body is interior.
2. integrated basic brake device for rail wagons according to claim 1, it is characterized in that, described brake cylinder comprises cylinder body, be arranged on the cylinder cap of described cylinder body one side, be arranged on the piston in the described cylinder body and be arranged on restoring spring between described piston and the cylinder body.
3. integrated basic brake device for rail wagons according to claim 2 is characterized in that, described cylinder block and cylinder cover captive joint.
4. integrated basic brake device for rail wagons according to claim 3 is characterized in that, the end of described cylinder body is provided with pore.
5. integrated basic brake device for rail wagons according to claim 4 is characterized in that, is provided with a rubber cup for sealing between described piston and cylinder body, and this rubber cup is arranged on piston one side and together moves with piston.
6. integrated basic brake device for rail wagons according to claim 1 is characterized in that, the up and down two ends of described active lever articulate with brake beam pipe link and push rod respectively; The up and down two ends of described truck dead lever articulate with brake beam pipe link and cylinder body respectively.
7. integrated basic brake device for rail wagons according to claim 6 is characterized in that, described brake beam pipe link comprise head rod, the second pipe link and be arranged on described head rod and the second pipe link between the adjustment sleeve.
8. integrated basic brake device for rail wagons according to claim 7 is characterized in that, described head rod is opposite with the hand of spiral of the second pipe link.
9. the described integrated basic brake device for rail wagons of any one is characterized in that according to claim 1-9, and this brake equipment also comprises the hand brake lever of transferring device to be connected with described lock.
CN 201110057140 2011-03-10 2011-03-10 Integrated basic brake device for rail wagons Active CN102167022B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110057140 CN102167022B (en) 2011-03-10 2011-03-10 Integrated basic brake device for rail wagons

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110057140 CN102167022B (en) 2011-03-10 2011-03-10 Integrated basic brake device for rail wagons

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CN102167022A CN102167022A (en) 2011-08-31
CN102167022B true CN102167022B (en) 2013-09-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017205137A1 (en) * 2016-05-23 2017-11-30 Amsted Rail Company, Inc. Braking systems for railway cars

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103171585A (en) * 2013-02-01 2013-06-26 南车长江车辆有限公司 Light braking lever
AU2020281020B2 (en) * 2020-09-17 2022-07-21 Meishan Crrc Brake Science & Technology Co., Ltd. Braking device and railway vehicle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4793446A (en) * 1986-12-10 1988-12-27 American Standard Inc. Single-cylinder, truck-mounted brake assembly
CN1312198A (en) * 2000-02-24 2001-09-12 西屋气刹车技术股份有限公司 Braking assembly of applied spring with artificial quick-releasing property
EP1535817A1 (en) * 2003-11-26 2005-06-01 Westinghouse Air Brake Technologies Corporation Improved hand brake lever interface for single-cylinder truck-mounted railway car brake
CN101332825A (en) * 2008-08-05 2008-12-31 中国北车集团沈阳机车车辆有限责任公司 Bogie of unit braking device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4793446A (en) * 1986-12-10 1988-12-27 American Standard Inc. Single-cylinder, truck-mounted brake assembly
CN1312198A (en) * 2000-02-24 2001-09-12 西屋气刹车技术股份有限公司 Braking assembly of applied spring with artificial quick-releasing property
EP1535817A1 (en) * 2003-11-26 2005-06-01 Westinghouse Air Brake Technologies Corporation Improved hand brake lever interface for single-cylinder truck-mounted railway car brake
CN101332825A (en) * 2008-08-05 2008-12-31 中国北车集团沈阳机车车辆有限责任公司 Bogie of unit braking device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017205137A1 (en) * 2016-05-23 2017-11-30 Amsted Rail Company, Inc. Braking systems for railway cars
US9896113B2 (en) 2016-05-23 2018-02-20 Amsted Rail Company, Inc. Braking systems for railway cars

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